Schema:
business (bid, business_id, name, full_address, city, latitude, longitude, review_count, is_open, rating, state)
category (id, business_id, category_name)
user (uid, user_id, name)
checkin (cid, business_id, count, day)
neighbourhood (id, business_id, neighbourhood_name)
review (rid, business_id, user_id, rating, text, year, month)
tip (tip_id, business_id, text, user_id, likes, year, month)
Please answer with SQL.